Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cham xuc » cam xuc, chat xuc, cham soc
hanh dai » hanh tai, hanh dao, vanh dai
vu sach » vu bach, su sach, vu khach
vang xa » lang xa, mang xa, ang xa
hieu ve » hieu va
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
y vang » ly vang
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y vang xa hoi. ((hieu ve) or (hieu van)) cham xuc va hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y vang xa hoi. ((hieu ve) OR (hieu van)) cham xuc va hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y vang xa hoi. ((hieu ve) or (hieu van)) cham xuc va hanh dai cua tre*.